Cellular motions and thermal fluctuations: the Brownian ratchet.

AUTOR(ES)

Peskin, C S

RESUMO

We present here a model for how chemical reactions generate protrusive forces by rectifying Brownian motion. This sort of energy transduction drives a number of intracellular processes, including filopodial protrusion, propulsion of the bacterium Listeria, and protein translocation.

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